Here's what rhymes with semiopacity.
opacity audacity capacity rapacity voracity incapacity overcapacity Words that almost rhyme with semiopacity
cavity gravity depravity chastity vanity totality duality sanity laxity basketry passably family reality faculty morality mortality happily locality majesty vitality balcony fallacy mentality blasphemy tapestry fatality laminae patently pageantry tonality banditry rascally gadgetry inanity satiny balladry cannily nastily rapidly anatomy fantasy neutrality academy brutality calamity generality insanity finality formality galaxy gallantry handsomely legality liberality normality salivary sensuality alacrity barbarity calumny gallantly lazily manfully palpably profanity tactfully travesty geniality handily baptistery callously joviality tangibly atonality baptistry bashfully cabinetry raggedly practically cavalry bankruptcy hospitality nationality sexuality actuality catastrophe randomly elaborately partiality unhappily frugality thankfully unreality valiantly gravelly scantily transiently triviality captaincy craftily physicality uncannily amorality falconry topicality typicality wrathfully illiberality laughably tactlessly whimsicality abnormality financially commonality infallibly inhumanity circularity disastrously dissimilarity congeniality implacably theatricality jocularity multifamily musicality compatibly didactically illogicality substantially municipality spirituality universality potentiality irrationality practicality bisexuality conviviality corporeality muscularity understandably particularity territoriality circumstantially impracticality satisfactorily homosexuality confidentiality unsatisfactorily perpendicularity extraterritoriality